Yeah, agree I did not verify but it wasn't an obvious feature and I think my argument is still valid -- Facebook could use search as its central strategy.
As far as HN homepage is concerned, I don't know ranking internals but I think it is probably timezone issue -- as of writing this comment, the submission has just 7 upvotes and is still on homepage.
As far as HN homepage is concerned, I don't know ranking internals but I think it is probably timezone issue -- as of writing this comment, the submission has just 7 upvotes and is still on homepage.